Home / 23,630.04-35,340.39-21,015.99

Finding the Fourth Proportional to 23,630.04, 35,340.39 and 21,015.99

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Solution

The fourth proportional to 23,630.04, 35,340.39 and 21,015.99 is: 31,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,630.04 : 35,340.39 = 21,015.99 : x
  2. Step 2: Convert to fraction form
    23,630.04/35,340.39 = 21,015.99/x
  3. Step 3: Cross multiply
    23,630.04x = 35,340.39 × 21,015.99
  4. Step 4: Simplify right side
    23,630.04x = 742,713,282.84
  5. Step 5: Solve for x
    x = 742,713,282.84/23,630.04
  6. Step 6: Final answer
    x = 31,430.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.